/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: dings
 * Date: 2024-05-19
 * Time: 9:58
 */
public interface IA {

    int a = 0;// public static final int a = 0;
    void test();//public abstract void test();


    public default void test2() {
        System.out.println("IA::test2()....");
    }
    public static void test3() {
        System.out.println("IA::test3()....");
    }
}
abstract class A implements IA {

}

interface IA1 {
    void test1();
}
interface IB1 {
    void test2();
}
interface IC1 extends IA1,IB1{
    void test3();
}
class C1 implements IC1 {
    @Override
    public void test1() {

    }

    @Override
    public void test2() {

    }

    @Override
    public void test3() {

    }
}